[1] It was inaugurated on 15 May 1939 in the presence of Benito Mussolini, but the Duce found himself speaking in a cold climate of workers, marked by the increase in food prices due to the politics of autarchy and the fear of the imminent war, which point to leave the stage when a question addressed to the crowd was answered only by a few hundred people out of the 50,000 present.

Passed into history as the "strikes of March 1943", it marked the beginning of the collapse of the fascist regime and represented the first vocal episode of the anti-fascist resistance.

Seriously damaged by air raids during the Second World War, the factory was rebuilt and expanded with a development project that culminated with the doubling of capacity, completed in 1958.

Starting from the post-war period, the design of the most advanced Fiat products (cars, industrial vehicles, aeronautical engines, aircraft, etc.)

was concentrated in the office building and the plant became the site of the greatest industrial development in Turin (new welfare, and inevitably also of great social tensions).

In 1969, in full economic expansion, great agitation due to the three-year term of the metalworkers' work contract gave rise to the Hot Autumn.

Years later, Enrico Berlinguer, with a gesture of strong emblematic value, and not just within the PCI, would speak at the gates of Mirafiori, occupied by the workers: "That" top action "is realized with increasing separateness among the levels of the organization: the top managers of professional politicians, a consolidated class of local administrators, the grassroots militants, the last representatives of a communist people spread among work, trade unions, commitment in and for the party".